(Greek, closed mouth, referring to the structure of the spur). Orchidaceae. Epiphytic orchids, adapted to the warmhouse.

Stems leafy: leaves coriaceous, flat or nearly terete: sepals and petals adnate to the column, spreading; labellum with a large saccate spur; column short, thick; pollinia 2. From E. Asia and Austral. - A genus comprising in the neighborhood of 40 species, which suggest Saccolabium. The plants are little known in Amer. They require the treatment usually given Aerides. The leading species are C. crassifolium, Lindl., from India, with small green rosy-lipped flowers in nodding panicles, and thick recurved leaves 10 in. long. J.F. 4:397; and C. ringens, Reichb. f., Philippines, with yellowish white purple-lipped flowers with orange spot on side lobes, spur large, in few-flowered racemes: leaves 3-4 in. long. C. Dawsonianum, Reichb. f., is a Trichoglottis; C. multiflorum, Hort., is probably Aerides multiflorum. C. secundum, Rolfe, a recent introduction from Burma, has light rose-pink flowers that are turned sidewise, the front lobe of the Up rose-purple, borne on a scape 3-4 in. long: leaves lance-oblong, about 4-5 in. long and 1/2in. broad.